二分之一加上六分之五减去四分之三括号等于多少?

2025-01-06 06:55:54
推荐回答(3个)
回答1:

1/2+5/6-3/4
=6/12+10/12-9/12
=7/12

回答2:

解:1/2+(5/6-3/4)
=1/2+(10/12-9/12)
=1/2+1/12
=6/12+1/12
=7/12

回答3:

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